Library of CongressThe Library of Congress is the nation's oldest federal cultural institution and serves as the research arm of Congress. It is also the largest library in the world, with millions of books, recordings, photographs, maps and manuscripts in its collections.

Civil War Preservation TrustThe Civil War Preservation Trust is America's largest non-profit organization (501-C3) devoted to the preservation of our nation's endangered Civil War battlefields. The Trust also promotes educational programs and heritage tourism initiatives to inform the public of the war's history and the fundamental conflicts that sparked it.

National History DayNational History Day makes history come alive for America's youth by engaging them in the discovery of the historic, cultural and social experiences of the past. Through hands-on experiences and presentations, today's youth are better able to inform the present and shape the future. NHD inspires children through exciting competitions and transforms teaching through project-based curriculum and instruction.

SmithsonianThe Smithsonian’s National Museum of American History dedicates its collections and scholarship to inspiring a broader understanding of our nation and its many peoples. We create opportunities for learning, stimulate imaginations, and present challenging ideas about our country’s past.